[Coco] dw 3

[gene heskett]

On Monday, November 22, 2010 09:04:27 pm Aaron Wolfe did opine:

> On Mon, Nov 22, 2010 at 8:09 PM, Robert Gault <robert.gault at att.net> 
wrote:
> > Aaron Wolfe wrote:
> >> Hrmm we may have some wires crossed. �What the switch does is to
> >> ignore the drive sent in the DW op call altogether, and instead map
> >> to a disk image based on the sector being read or written to.
> >> �Sectors 0-629 point to "disk 0", 630-1259 are "disk 1", and so on
> >> all the way up to disk 255. �DRIVE #0-3 makes no difference, DRIVE
> >> 0-255 does.
> > 
> > How is that different from the normal HDBDOS with Drivewire? That
> > combo already selects drives 0-255 for whatever DW slot has been
> > selected. The only difference I can see is that HDBDOS calculates the
> > LSN based on 630xdrive# so that nothing needs to be calculated by
> > Drivewire.
> 
> The difference is just that for example "DIR 1" would show the
> directory of the file mounted in drive 1 on the DW side, not the
> directory of the image found starting at sector 630 of the file
> mounted in drive 0 on the DW side... hope that makes sense?
> 
> If there is no point in doing this, I will gladly remove it.  I am not
> the best person to make that decision, I don't use these features at
> all myself :(
> 
I for one will vote for retaining it that way Aaron.  Explained that way is 
the only way for it to make sense.  And apparently makes a copy a one step 
operation.

> -Aaron
> 
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-- 
Cheers, Gene
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